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Upcoming Events
Field Trips and Events
Head on over the Newberry Library for Winging It: A Brief History of Humanity’s Relationship with Birds, a COS-sponsored exhibit.
RSVP Required
Join COS for a nocturnal twist on the classic hawk watch, our third annual Nighthawk Watch!
In cooperation with Third Coast Birding and Peggy Notebaert Nature Museum, COS is proud to continue our long tradition of Wednesday morning bird walks at North Pond!
RSVP Required
Join us as we explore Humboldt Park as migratory birds flock to this incredible green oasis in the surrounding urban environment.
RSVP Required
Join COS for a nocturnal twist on the classic hawk watch, our third annual Nighthawk Watch!
In cooperation with Third Coast Birding and Peggy Notebaert Nature Museum, COS is proud to continue our long tradition of Wednesday morning bird walks at North Pond!
Join the stewards of Montrose Point Bird Sanctuary (Magic Hedge) for a workday at one of the top bird watching spots in the country!
RSVP Required
Join COS for an early morning bird outing at Montrose Point Bird Sanctuary.
RSVP Required
Join COS for a beginner bird walk at Bill Jarvis Migratory Bird Sanctuary.
RSVP Required
End the daylight hours with a COS bird walk at McKinley Park.
RSVP Required
Explore the prairie, woodland, and wetland habitats of this northwest suburban forest preserve during fall migration.
In cooperation with Third Coast Birding and Peggy Notebaert Nature Museum, COS is proud to continue our long tradition of Wednesday morning bird walks at North Pond!
The Chicago Birder Blog
Blog
Kris Hansen reports on the July Department of Environment subject matter hearing on the need for a Bird-Friendly Design Ordinance in Chicago.
Read the recap of the Common Nighthawk Project’s 2025 monitoring season.
COS member Kris Hansen recaps the Sunday Social American Bittern hunt at Humboldt Park on Aug. 17, 2025.